Steel Data vs Spy Camera Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Steel Data
This app offers a comprehensive reference for various steel types, sizes, and unit weights. It's designed to assist professionals in the construction industry with quick access to essential steel data.
- Extensive steel type catalog
- Detailed size information
- Unit weight calculations
- Construction industry focus
- General reference tool
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鐵書|鋼材知識,一翻就懂。 鐵書將鋼材規格、重量計算與工程參考資料整理成易查、易讀、易分享的隨身工具。無論在工地、辦公室或課堂,都能快速找到所需資料。 鋼材規格,分類清楚 收錄逾 1,800 款規格,涵蓋工字鋼、角鋼、鋼通、鋼筋、鋼絲網及歐洲型鋼。支援香港常用名稱搜尋,方便按分類、代號或尺寸查閱。 重量計算,即時查看 選擇鋼材分類及規格,輸入長度或面積,即可估算重量。結果以公斤及公噸顯示,並加入千位分隔符,方便閱讀。 重點資料,一卡分享 將鋼材規格或重量估算製成精簡圖片卡,方便透過 WhatsApp 等應用程式分享。卡片保留資料來源及 App Store 下載 QR Code。 常用規格,隨手收藏 收藏經常使用的鋼材規格,減少重複搜尋。 以簡潔的日系卡通介面,讓工程資料更容易理解。
Spy Camera Scanner
This utility helps you understand your wireless environment by scanning Wi-Fi and Bluetooth signals, detecting magnetic fields, and testing for infrared light. It offers manual inspection tips and scan history to help you stay informed in various locations.
- Wi-Fi network scanning
- Bluetooth device detection
- Magnetic field meter
- Infrared light test
- Manual inspection guide
- Scan history
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Stay Aware of Your Wireless Environment Top App is a utility designed to help users stay informed about the wireless and electronic activity around them. It uses standard tools available in most smartphones to help you explore and understand your environment — without any need for extra hardware. Whether you're in a hotel, shared workspace, or new living space, Top App provides simple features that help you view local wireless signals and sensor data to stay aware and informed. Features Overview Wi-Fi Scan See which devices are connected to your current Wi-Fi network. Check IP and MAC addresses, device names, and signal strength to better understand your surroundings. Bluetooth Scan Discover nearby Bluetooth signals. Useful for spotting active nearby devices like earbuds, fitness bands, or wireless accessories. Magnetic Field Meter Use your device’s magnetometer to monitor fluctuations in magnetic fields — often related to powered electronics. Infrared Light Test Point your camera at reflective surfaces to check for unexpected IR light sources that are invisible to the human eye. Manual Inspection Tips Step-by-step visual guide for checking rooms, outlets, vents, and other common areas for unknown objects — especially in shared or unfamiliar spaces. Scan History Save scan sessions locally to review changes over time when inspecting different areas. When to Use Checking into a hotel or vacation rental Working from shared offices or public locations Using unfamiliar vehicles Exploring new apartments or homes Staying informed while traveling Upgrade to Premium Unlock advanced features and unlimited scanning: Unlimited Scan Sessions – Perform scans without limitations. Extended Infrared Mode – Access additional camera options for infrared checks. More Device Details – View extended information about connected devices. Important Notice Top App does not detect or identify surveillance devices or hidden equipment with certainty. It uses standard device sensors to help you explore your surroundings. It is not a surveillance detection tool. Always follow local laws and regulations and use responsibly. Your Privacy Matters No account required No personal data collection All scans and logs stay on your device No tracking or third-party data sharing Subscription Info Try premium features free for 3 days. Then choose from flexible plans (weekly/monthly). Cancel anytime through your Apple ID. For any purposes please contact with us: APP Privacy Policy: https://www.termsfeed.com/live/db0b45a5-7507-4264-b859-1ce138384acb APP Terms of Usage: https://www.termsfeed.com/live/608870ab-1bde-4bb3-9d41-398103b87f73 Our email : iahdurgelindgrlynnawuck@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: Steel Data at none against Spy Camera Scanner's 4. Spy Camera Scanner's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, rating, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Spy Camera Scanner sells 4 in-app purchases, starting at $8.99 per 7 days. Steel Data asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Steel Data against 4.7 for Spy Camera Scanner. Both are backed by a comparable volume of ratings — 5 and 3 respectively.
Steel Data ships an update monthly, Spy Camera Scanner every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Steel Data | Spy Camera Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) — better | 4.7 (3 ratings) |
| Number of ratings | 5 — better | 3 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 232 MB |
| Age rating | 4+ | 4+ |
| Developer | Huaping Ye | Brandon Lewis |
In-app purchases
Steel Data
No in-app purchases
Spy Camera Scanner
- Detect App Pro Weekly$8.997 Days
- Spy Camera Scanner - Top App3 Days trial$8.997 Days
- Detect App Pro Monthly$14.991 Month
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- Spy Camera Scanner - Top App3 Days trial$15.991 Month
Questions
Is Steel Data free?
Is Spy Camera Scanner free?
Which has better reviews, Steel Data or Spy Camera Scanner?
Do Steel Data or Spy Camera Scanner have ads?
Which is updated more often, Steel Data or Spy Camera Scanner?
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